. . . EXHIBIT 21 DOVER SUBSIDIARIES - DOMESTIC AND FOREIGN COMPANY NAME WHERE INCORPORATED ------------ ------------------ DOMESTIC Alphasem Corporation Arizona Avborne Accessory Group, Inc. Delaware Bayne Machine Works, Inc. South Carolina Belvac Production Machinery, Inc. Virginia Canada Organization & Development LLC Delaware Carrillo Industries Inc. California CCI Field Services, Inc. Delaware Chief Automotive Technologies, Inc. Delaware Clove Park Insurance Company New York Colder Products Company Minnesota Cook Repair Services, Inc. Delaware CP Formation LLC Delaware CPI Products, Inc., a Delaware Corporation Delaware Crenlo LLC Delaware Datamax Bar Code Products Corporation Minnesota Datamax Corporation Delaware Datamax International Corporation Delaware DD1, Inc Delaware DDI Properties, Inc. California DEK U.S.A., Inc. Delaware DEK USA Logistics, Inc. Delaware Delaware Capital Formation, Inc. Delaware Delaware Capital Holdings, Inc. Delaware De-Sta-Co Cylinders, Inc. Delaware DFH Corporation Delaware Dielectric Laboratories, Inc. Delaware DIPC Corp. Delaware Dover DEI Services, Inc. Delaware Dover Diversified De, Inc. Delaware Dover Diversified, Inc. Delaware Dover Electronics, Inc. Delaware Dover Europe, Inc. Delaware Dover Global Holdings, Inc. Delaware Dover Industries, Inc. Delaware Dover Resources, Inc. Delaware Dover Systems, Inc. Delaware Dover Technologies International, Inc. Delaware Dow-Key Microwave Corporation Delaware DP Manufacturing Inc. Delaware EOA Systems, Inc. Delaware Everett Charles Technologies Delaware Flexbar, Inc. Delaware Forward Manufacturing Company, Inc. Texas Gerald L. Greer Co. Delaware Graphics Microsystems, Inc. California Hover-Davis, Inc. Delaware Hydro Systems Company Delaware Hydromotion, Inc. Delaware Imaje Hi Res Arizona Imaje Ink Jet Printing Corp. Georgia J E Pistons Inc. California K&L Microwave, Inc. Delaware K. S. Boca Inc. Florida Kalyn/Siebert I, Inc. Texas Kalyn/Siebert LP Texas Knappco Corporation Delaware Knowles Electronics Holdings, Inc. Delaware Knowles Electronics LLC. Delaware Knowles Intermediate Holding, Inc. Delaware Knowles Electronics Sales Corp. Delaware Knowles Manufacturing Ltd. Delaware KS Formation, Inc. Delaware Kurz-Kasch, Inc. Delaware Marathon Equipment Company Delaware Mark Andy, Inc. Missouri Midland Manufacturing Corporation Delaware Multitest Electronic Systems, Inc. Delaware Nova Controls California Novacap, Inc. Delaware OK Holdings, Inc. Delaware OK International, Inc. California OPW Epsilon Inc. Delaware OPW Fuel Management Systems Delaware PDQ Manufacturing, Inc. Delaware Performance Motorsports, Inc. California Pioneer Labels, Inc. Illinois PISCES by OPW, Inc. Delaware ProRod USA California Provacon, Inc. Delaware Quartzdyne Inc. Delaware Regan Corporation Services, Inc. Oklahoma Revod Corporation Delaware Richards Industry Inc. Delaware Robohand, Inc. Delaware Rosenheim Automation Systems Corporation California Sanger Works Factory Holdings, LLC Delaware Sanger Works Factory, Inc California SE Liquidation, LLC Delaware Sonic Industries, Inc. California Sure Seal, Inc. Delaware SWEP North America Inc. Delaware Texas Hydraulics, Inc. Delaware The Heil Co. Delaware Tipper Tie, Inc. Delaware Tisma Machinery Corporation Illinois Tranter PHE, Inc. Delaware Triton Systems of Delaware, Inc. Delaware Tubular Products Company Inc. Delaware Tulsa Winch, Inc. Delaware Unified Brands, Inc. Delaware Universal Instruments Corporation Delaware US Synthetic Corporation Utah US Synthetic Southwest Marketing Inc. Utah US Synthetic Texas, Ltd Utah Vectron International LLC Delaware Vitronics Soltec Corporation Delaware Voltronics Corporation New Jersey VWS LLC Delaware Wabash Magnetics, LLC Delaware Warn Industries, Inc. Delaware Waukesha Bearings Corporation Wisconsin Wilden Pump and Engineering LLC Delaware Wiseco Piston, Inc. Delaware FOREIGN Acumen Technology (M) Sdn. Bhd. Malaysia ALMATEC Maschinenbau GmbH Germany Alphasem (Shenzhen) Co., Ltd. China Alphasem (Suzhou) Co., Ltd. China Alphasem AG Switzerland Alphasem Asia Ltd. Hong Kong Alphasem Asia Pte. Ltd. Singapore Alphasem Far East (L) Ltd. Malaysia Alphasem Holding GmbH Switzerland Alphasem Korea Ltd. South Korea Alphasem Philippines Philippines atg test systems asia Ltd. Taiwan atg test systems GmbH & Co KG Germany Blackmer - Mouvex SA France Blackmer Flow Technologies Canada Blackmer Mouvex, Ltd. United Kingdom BlitzRotary GmbH Germany BN OPW, Srl Italy Calypso Europe Limited United Kingdom CCMOP SAS France Chambon SAS France Charles Roberts Engineering Ltd United Kingdom Colder Products Company Gmbh Germany Colder Products Company Limited Hong Kong Compressor Valve Engineering Ltd United Kingdom CPI Europa GmbH Germany CPI Europe Limited United Kingdom C-Tech Energy Services Inc. Canada Datamax Holdings Limited United Kingdom Datamax London Limited United Kingdom DEK Asia Pacific Private Limited Singapore DEK Consulting (Shanghai) Co., Ltd. China DEK International GmbH Switzerland DEK Northern Europe Limited United Kingdom DEK Printing Machines (Shenzhen) Co., Ltd. China DEK Printing Machines GmbH Germany DEK Printing Machines Limited United Kingdom DEK Technologies (Suzhou) Co. Ltd. China DEK Technologies S.A.S. France De-Sta-Co (Asia) Company, Limited Thailand DE-STA-CO Benelux B.V. Netherlands De-Sta-Co Metallerzeugnisse GmbH Germany De-Sta-Co Metallerzeugnisse GmbH & Co. Werkzeugtechnik Germany De-Sta-Co-Ema Industria e Comercio Ltda. Brazil Dielectric Laboratories Asia Trading (Shanghai) Co., Ltd. China Dover Asia Trading Private Ltd. Singapore Dover Corporation (Canada) Limited Canada Dover CR, spol s r.o. Czech Republic Dover do Brasil Ltda. Brazil Dover Exports, Ltd. Barbados Dover France Holdings, S.A.S. France Dover France Participations SAS France Dover France Technologies S.A.S. France Dover German Holdings GmbH Germany Dover German Intra-Group Service GmbH Germany Dover German Partnership Holdings GmbH Germany Dover Germany GmbH Germany Dover Holdings de Mexico SA DE CV Mexico Dover Hungary Board Test Manufacturing KFT Hungary Dover Hungary KFT Hungary Dover India Pvt., Ltd. India Dover International B.V. Netherlands Dover Italy Holdings S.r.l. Italy Dover Italy S.r.L. Italy Dover Luxembourg Finance Sarl Luxembourg Dover Luxembourg Holdings Sarl Luxembourg Dover Luxembourg S.N.C. Luxembourg Dover Netherlands Services B.V. Netherlands Dover Resources UK Sales Ltd United Kingdom Dover Singapore Private Limited Singapore Dover Switzerland Holding GmbH Switzerland Dover UK Holdings Limited United Kingdom Dover UK Sales Ltd United Kingdom Everett Charles Technologies (Shenzhen) Limited China Everett Charles Technologies, Ltd. United Kingdom Graphics Microsystems, N.V. Belgium Harbor Electronics SBN Malaysia Heil Asia Limited Thailand Heil Trailer Internacional S.A. Argentina Heil Trailer International Holdings Ltd. United Kingdom Heil Trailer International SAS France Heil Trailer International, Ltd. United Kingdom Heil-Europe Limited United Kingdom Hill Phoenix de Mexico, S.A. de C.V. Mexico Hydro Nova Europe, Ltd. United Kingdom Hydronova Australia-NZ Pty Ltd Australia Imaje (China) Co., Limited China Imaje AB Sweden Imaje Ag (Switzerland) Switzerland Imaje Argentina S.A. Argentina Imaje ASPAC Pte. Ltd. Singapore Imaje B.V. Netherlands Imaje Beteiligungs GmbH Germany Imaje Canada Inc. Canada Imaje Coding Technologies Ltd (New Zealand) New Zealand Imaje Coding Technology (M) Sdn Bhd Malaysia Imaje Coding Technology Pty Ltd (Australia) Australia Imaje De Mexico S.A. De C.V. Mexico Imaje Do Brasil Impressoras Brazil Imaje GmbH Germany Imaje Hong Kong Ltd Hong Kong Imaje India Private Limited India Imaje Ink Jet Nv/Sa Belgium Imaje Inkjet Ireland Ltd. Ireland Imaje Italia Srl Italy Imaje Kk Japan Imaje Korea Co. Ltd South Korea Imaje LLC Russian Federation Imaje Nordic AB Sweden Imaje S.A. France Imaje Siam Co., Ltd. Thailand Imaje Singapore Ltd. Singapore Imaje Software Development Centre Pvt. Ltd. India Imaje Taiwan Ltd. Taiwan Imaje Technologies Codificacao Portugal Imaje Technologies De Codificacion, Sa Spain Imaje UK Ltd. United Kingdom Imaje Verpachtungs GmbH Germany Interswep A.B. Sweden K&L Microwave DR, Inc. Dominican Republic Knowles Electronics (Malaysia) Sdn. Bhd. Malaysia Knowles Electronics (Suzhou) Co. Ltd. China Knowles Electronics (Weifang) Co. Ltd. China Knowles Electronics France France Knowles Electronics Germany Gmbh Germany Knowles Electronics Japan K.K. Japan Knowles Electronics Singapore Pte. Ltd. Singapore Knowles Electronics Taiwan Ltd. Taiwan Knowles Europe United Kingdom Knowles IPC (Malaysia) Sdn. Bhd. Malaysia L&M Test (Suzhou) Limited China Luther & Maelzer Dongguan China Luther & Maelzer Gmbh Germany Luther & Maelzer Taiwan Taiwan Mark Andy AG Switzerland Mark Andy France France Mark Andy, UK Limited United Kingdom Markpoint Holding AB Sweden Markpoint Real Estate B.V. Netherlands Markpoint System AB Sweden Mouvex GmbH Germany Multitest Electronic Systems (Asia) Pte. Ltd. Singapore Multitest Elektronische Systeme GmbH Germany Nanjing TVT Technologies Ltd. China Nimaser BV Netherlands OK Electronics (Beijing) Co., Ltd. China OK International (Japan) Co. Japan OK International (UK) Ltd. United Kingdom OK International France SA France OK International GmbH Germany OPW Fluid Transfer Group Europe B.V. Netherlands OPW Fueling Components (SuZhou) Co., Ltd. China OPW Fueling Components Europe B.V. Netherlands P.S. Technology (Penang) SDN B.H.D. Malaysia Perfect Bore Ltd. United Kingdom Petro Vend, Inc. [Poland] Poland ProX Inter, B. V. Netherlands PullMaster Winch Corporation Canada Rasco Automation Asia PTE LTD Singapore Rasco GmbH Germany Revod Sweden AB Sweden RG Industries Ltd. Canada RPA Process Technologies SAS France Sargent Aerospace Canada, Inc. Canada SCI IMMOC France Soltec, B.V. Netherlands SSE Sister Semiconductor Equipment GmbH Germany St. Neots Sheet Metal Co. Limited United Kingdom SWEP A.G. Switzerland SWEP HEAT EXCHANGER (Beijing) Co., Ltd. China Swep Iberica S.A.s.v. Spain Swep International A.B. Sweden Swep Japan K.K. Japan SWEP Malaysia Sdn. Bhd. Malaysia SWEP Slovakia s.r.o. Slovak Republic Syfer Technology Limited United Kingdom Technopack Ewald Hagedoen Nederland B.V. Netherlands Test Solutions (Suzhou) Co., Ltd. China Tipper Tie Alpina AG Switzerland Tipper Tie Technopack Germany TQ Slovakia SRO Slovak Republic Tranter GmbH Germany Tranter Heat Exchangers Pty. Ltd. Australia Tranter Italy SRL Italy Tranter KFt. Hungary Tranter PHE AB Sweden Tranter SAS France Tranter spol. S.r.o. Czech Republic Tranter Warmetauscher GmbH Austria Tranter, Ltd United Kingdom Universal Electronic Assembly Philippines Corporation Philippines Universal Instruments (Electronics) Ltd. United Kingdom Universal Instruments (Hong Kong) Limited Hong Kong Universal Instruments (Malaysia) Sdn Bhd Malaysia Universal Instruments Corp. (Singapore) Pte. Ltd. Singapore Universal Instruments De Mexico S.A. De C.V. Mexico Universal Instruments GmbH Germany Universal Instruments Iberica, Sl Spain Universal Instruments Japan Ltd. Japan Universal Instruments Korea Ltd. South Korea Universal Instruments Manufacturing (Shenzhen) Co., Ltd. China Universal Instruments Nordic AB Sweden Universal Instruments S.A.R.L. France Vectron Frequency Devices GmbH Switzerland Vectron International (Shanghai) Co. Ltd. China Vectron International GmbH & Co KG Germany Vectron International Verwaltungs GmbH Germany Vectron International, Ltd. Canada Vitronics Soltec GmbH Germany Vitronics Soltec Groep, B.V. Netherlands Vitronics Soltec Pte. Ltd. Singapore Vitronics Soltec Technologies (Suzhou) Co. Ltd. China Waukesha Bearings Limited United Kingdom Wei Li Pump Shanghai Co., LTD. China Wilden Argentina SRL Argentina Yat Sing Precision Parts Limited Hong Kong